CN100337705C - Cable crossover exercise appts. - Google Patents

Cable crossover exercise appts. Download PDF

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Publication number
CN100337705C
CN100337705C CNB031234704A CN03123470A CN100337705C CN 100337705 C CN100337705 C CN 100337705C CN B031234704 A CNB031234704 A CN B031234704A CN 03123470 A CN03123470 A CN 03123470A CN 100337705 C CN100337705 C CN 100337705C
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CN
China
Prior art keywords
pulley
adjutage
cable
exercise device
resistance assembly
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Expired - Lifetime
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CNB031234704A
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Chinese (zh)
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CN1519043A (en
Inventor
罗伊·西蒙森
威廉·T·达勒波特
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FREE DISPLACEMENT DRESSING CORP
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FREE DISPLACEMENT DRESSING CORP
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Publication of CN1519043A publication Critical patent/CN1519043A/en
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/15—Arrangements for force transmissions
    • A63B21/151—Using flexible elements for reciprocating movements, e.g. ropes or chains
    • A63B21/152—Bowden-type cables
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/06—User-manipulated weights
    • A63B21/062—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces
    • A63B21/0626—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces with substantially vertical guiding means
    • A63B21/0628—User-manipulated weights including guide for vertical or non-vertical weights or array of weights to move against gravity forces with substantially vertical guiding means for vertical array of weights
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/15—Arrangements for force transmissions
    • A63B21/151—Using flexible elements for reciprocating movements, e.g. ropes or chains
    • A63B21/154—Using flexible elements for reciprocating movements, e.g. ropes or chains using special pulley-assemblies
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/15—Arrangements for force transmissions
    • A63B21/151—Using flexible elements for reciprocating movements, e.g. ropes or chains
    • A63B21/154—Using flexible elements for reciprocating movements, e.g. ropes or chains using special pulley-assemblies
    • A63B21/156—Using flexible elements for reciprocating movements, e.g. ropes or chains using special pulley-assemblies the position of the pulleys being variable, e.g. for different exercises
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/40—Interfaces with the user related to strength training; Details thereof
    • A63B21/4001—Arrangements for attaching the exercising apparatus to the user's body, e.g. belts, shoes or gloves specially adapted therefor
    • A63B21/4017—Arrangements for attaching the exercising apparatus to the user's body, e.g. belts, shoes or gloves specially adapted therefor to the upper limbs
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/40—Interfaces with the user related to strength training; Details thereof
    • A63B21/4027—Specific exercise interfaces
    • A63B21/4033—Handles, pedals, bars or platforms
    • A63B21/4035—Handles, pedals, bars or platforms for operation by hand
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/40—Interfaces with the user related to strength training; Details thereof
    • A63B21/4041—Interfaces with the user related to strength training; Details thereof characterised by the movements of the interface
    • A63B21/4043—Free movement, i.e. the only restriction coming from the resistance
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B21/00—Exercising apparatus for developing or strengthening the muscles or joints of the body by working against a counterforce, with or without measuring devices
    • A63B21/40—Interfaces with the user related to strength training; Details thereof
    • A63B21/4041—Interfaces with the user related to strength training; Details thereof characterised by the movements of the interface
    • A63B21/4047—Pivoting movement
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/03516—For both arms together or both legs together; Aspects related to the co-ordination between right and left side limbs of a user
    • A63B23/03533—With separate means driven by each limb, i.e. performing different movements
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B2225/00—Miscellaneous features of sport apparatus, devices or equipment
    • A63B2225/09—Adjustable dimensions
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/03516—For both arms together or both legs together; Aspects related to the co-ordination between right and left side limbs of a user
    • A63B23/03533—With separate means driven by each limb, i.e. performing different movements
    • A63B23/03541—Moving independently from each other
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B23/00—Exercising apparatus specially adapted for particular parts of the body
    • A63B23/035—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously
    • A63B23/12—Exercising apparatus specially adapted for particular parts of the body for limbs, i.e. upper or lower limbs, e.g. simultaneously for upper limbs or related muscles, e.g. chest, upper back or shoulder muscles
    • A63B23/1209—Involving a bending of elbow and shoulder joints simultaneously

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  • Health & Medical Sciences (AREA)
  • Orthopedic Medicine & Surgery (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biophysics (AREA)
  • Rehabilitation Tools (AREA)

Abstract

The invention relates to an exercise apparatuses including a central weight stack and opposed extension arm Upper and lower pulleys direct a cable into the opposed extension arms such that variations in the cable reaction and tension are minimized when either arm is moved.

Description

Cable intersection physical exercise device
The cross reference of related application
Present patent application is that the exercise question that inventor Roy Simonson submitted on September 30th, 2002 is the U.S. Patent application No.10/261 of " cable intersection physical exercise device ", 546 part continues, the latter is that the exercise question that inventor Roy Simonson submitted to May 25 calendar year 2001 is the U.S. Patent application No.09/864 of " cable intersection physical exercise device ", 246, be U.S. Patent No. 6 now, 458,061 continuation, and U.S. Patent No. 6,458,061 is again to be the U.S. Patent application No.09/395 of " cable intersection physical exercise device " in the exercise question that on September 14th, 1999 submitted to, 194, be U.S. Patent No. 6,238 now, 323 continuation, more than each patent application be contained in this paper as a reference.
Technical field
The present invention relates to have the cable intersection physical exercise device of center balance reorganization cover and relative adjutage.
Background technology
The balance reorganization cover that the cable that the common use device user of physical exercise device draws affects.Some such devices may have some influences the restriction that the physical exercise device uses.For example, the range of movement that the device that affects with specific cable can carry out is subjected to connecting the restriction of balance reorganization cover and the effective length of user's cable sometimes.The effective length of cable may be subjected to the limitation in height of balance reorganization cover; In such system, for example, one foot on the every stay cord cable of user requires balance reorganization cover to promote a certain proportion of distance.Substantially equal in the lifting of balance reorganization cover under the situation of distance of stay cord cable, effective use length of cable usually is limited in several feet, because the balance reorganization cover cost that does more is too high, or inappropriate on the structure.
Some physical exercise device based on balance reorganization cover also runs into because the problem that the momentum that is produced when weight plates promotes under cable control causes.Specifically, when weight plates upwards promoted fast, the moment that the momentum of generation can be created in the power of the sensation that the user runs into reduced and increases.Such instantaneous variation is very undesirable.
Some are that cable is stuck in or ties up on the miscellaneous part of framework, support arm or assembly based on the problem that the physical exercise device of balance reorganization cover also runs into.The cable of some balance reorganization cover shortens when the support arm of contact cable moves up or down or elongates.Such shortening or elongate can cause that the handle that is couple to cable is inconveniently from the distance that it is undue that support arm dangles downwards.Consequently, need a kind of physical exercise device that can overcome the prior art shortcoming.
Summary of the invention
The invention provides a kind of physical exercise device, it comprises the resistance assembly with base and balance weight group cover assembly.Left and right sides adjutage comprises that respectively corresponding first end of the pivot near-end be couple to resistance assembly and cable and second end are from its free distal end of stretching.Leading block is installed near every end of the resistance assembly the near-end of left and right sides adjutage up and down.
According to a first aspect of the invention, provide a kind of physical exercise device, it comprises: resistance assembly; Cable, it is connected to resistance assembly with left adjutage and right adjutage, and wherein said cable comprises first end and second end; Wherein right adjutage comprises that first end of the pivot near-end be couple to resistance assembly and cable is from its free distal end of stretching out, right adjutage has first rotating shaft, described physical exercise device also comprises first right pulley and second right pulley with the adjacent installation of near-end of right adjutage, and wherein first right pulley leaves the second right pulley fixed range and installs; And wherein left adjutage comprises that second end of the pivot near-end be couple to resistance assembly and cable is from its free distal end of stretching out, left side adjutage has second rotating shaft, described physical exercise device also comprises first left chain wheel and second left chain wheel with the adjacent installation of near-end of left adjutage, and wherein first left chain wheel leaves the second left chain wheel fixed range and installs.
According to a first aspect of the invention, each first right pulley, first left chain wheel, second right pulley and second left chain wheel are installed on the resistance assembly, each first right pulley and second right pulley have the substantially parallel rotating shaft that departs from first rotating shaft, and each first left chain wheel and second left chain wheel have the substantially parallel rotating shaft that departs from second rotating shaft.Second right pulley is installed in resistance assembly than the first right pulley lowland.Second left chain wheel is installed in resistance assembly than the first left chain wheel lowland.
According to a first aspect of the invention, first end of cable contacts one of first right pulley and second right pulley at least, enter the near-end of right adjutage then, and come out from the far-end of right adjutage, second end of cable contacts one of first left chain wheel and second left chain wheel at least, enter the near-end of left adjutage then, and come out from the far-end of left adjutage.
According to a second aspect of the invention, provide a kind of physical exercise device, comprising: resistance assembly; Cable, it has first end and second end; Right adjutage, it has first end of the pivot near-end that is couple to resistance assembly and cable from its free distal end of stretching out, and right adjutage has first rotating shaft; Left side adjutage, it has second end of the pivot near-end be couple to resistance assembly and cable from its free distal end of stretching out, and left adjutage has second rotating shaft, and wherein cable overcomes resistance that resistance assembly forms by a left side and right adjutage; First pulley and second pulley, they be set in first pulley and second pulley at least one optionally first end of cable is directed in the right adjutage; And the 3rd pulley and the 4th pulley, they be set in the 3rd pulley and the 4th pulley at least one optionally second end of cable is directed in the left adjutage.
According to a second aspect of the invention, first end of cable enters the opening of the near-end of first adjutage, come out from the distal openings of first adjutage, second end of cable enters the proximal openings of second adjutage, come out from the distal openings of second adjutage, and wherein first pulley and second pulley have the rotating shaft with the rotating shaft parallel offset of right adjutage, and the 3rd pulley and the 4th pulley have the rotating shaft with the rotating shaft parallel offset of left adjutage.
According to a second aspect of the invention, first pulley is installed on the resistance assembly with right adjutage adjacent, and second pulley is installed on the resistance assembly lower than first pulley.The 3rd pulley is installed on the resistance assembly with left adjutage adjacent, and the 4th pulley is installed on the resistance assembly lower than the 3rd pulley.
According to a second aspect of the invention, resistance assembly comprises support frame and weight plates group cover, wherein cable is configured to be coupled to pulley system, described pulley system comprises the pulley that is couple to weight plates group cover, and wherein cable overcome weight plates resistance by left and right sides adjutage, thereby cable is connected to resistance assembly with left and right sides adjutage.
According to a third aspect of the invention we, provide a kind of physical exercise device, comprising: resistance assembly; Cable, it has first end and second end; Right adjutage, it has first end of the pivot near-end that is couple to resistance assembly and cable from its free distal end of stretching out, and right adjutage has first rotating shaft; Left side adjutage, it has second end of the pivot near-end be couple to resistance assembly and cable from its free distal end of stretching out, and left adjutage has second rotating shaft, and wherein cable extends through left and right sides adjutage, and overcomes the resistance exercise that resistance assembly forms; First pulley and second pulley, they and the adjacent installation of right adjutage near-end, each pulley has the rotating shaft that is parallel to right adjutage first rotating shaft, and first end optionally contacts at least one in first pulley and second pulley and extends through right adjutage; With the 3rd pulley and the 4th pulley, they and the adjacent installation of left adjutage near-end, each pulley has the rotating shaft of second rotating shaft that is parallel to left adjutage, and second end optionally contacts at least one in the 3rd pulley and the 4th pulley and extends through left adjutage.
According to a third aspect of the invention we, resistance assembly comprises support frame and weight plates group cover, and wherein cable is engaged in the pulley system that comprises the pulley that is couple to weight plates group cover, and wherein cable overcomes the resistance of weight plates formation by left and right sides adjutage.
According to a third aspect of the invention we, first pulley is installed on the resistance assembly with right adjutage adjacent, and second pulley is installed on the resistance assembly than the first pulley lowland.The 3rd pulley is installed on the resistance assembly with left adjutage adjacent, and the 4th pulley is installed on the resistance assembly than the 3rd pulley lowland.
According to a forth aspect of the invention, provide a kind of physical exercise device, comprising: resistance assembly; Cable, it has first end and second end; Right adjutage, it has first end of the pivot near-end that is couple to resistance assembly and cable from its free distal end of stretching out, and right adjutage has first rotating shaft; Left side adjutage, it has second end of the pivot near-end be couple to resistance assembly and cable from its free distal end of stretching out, and left adjutage has second rotating shaft, and wherein cable overcomes resistance that resistance assembly forms by left and right sides adjutage; Upper right pulley and bottom right pulley, at least one optionally was incorporated into first end of cable in first opening of right adjutage in the pulley about they were set to, and first end comes out from second opening of right adjutage; With upper left pulley and lower-left pulley, at least one optionally was incorporated into second end of cable in first opening of left adjutage in the pulley about they were set to, and second end comes out from second opening of left adjutage.
According to a forth aspect of the invention, upper right pulley and bottom right pulley be configured to right adjutage from during downward position, position motion the tension force of cable constant substantially.
According to a forth aspect of the invention, upper left pulley and lower-left pulley be configured to left adjutage from during downward position, position motion the tension force of cable constant substantially.
According to a forth aspect of the invention, right adjutage pivots between upper-lower position, and wherein when right adjutage is in the position of lifting, first end of cable passes through around top sheave before entering first opening of right adjutage, and when right adjutage was in upper/lower positions, first end of cable contacted pulley up and down before entering first opening of right adjutage.
According to a forth aspect of the invention, left side adjutage pivots between upper-lower position, and wherein when left adjutage is in the position, second end of cable passes through around top sheave before entering first opening of left adjutage, and when left adjutage was in upper/lower positions, second end of cable contacted pulley up and down before entering first opening of left adjutage.
According to a forth aspect of the invention, the rotating shaft of upper right pulley deviates from the rotating shaft of bottom right pulley, and departs from proximal direction.
According to a fifth aspect of the invention, provide a kind of physical exercise device, comprising: resistance assembly; Cable, it extends through resistance assembly, has first end and second end; Right adjutage, it has the near-end that pivot is connected to resistance assembly, with first end of cable from its free distal end of stretching out, the physical exercise device also comprises first pulley and second pulley, the adjacent installation of near-end of they and right adjutage makes that cable contacts first pulley when right adjutage moves to the position, and when right adjutage moved to upper/lower positions, cable optionally contacted first pulley and second pulley; With left adjutage, it has the near-end that pivot is connected to resistance assembly, with second end of cable from its free distal end of stretching out, the physical exercise device also comprises the 3rd pulley and the 4th pulley, the adjacent installation of near-end of they and left adjutage makes that cable contacts the 3rd pulley when left adjutage moves to the position, and when left adjutage moved to upper/lower positions, cable optionally contacted the 3rd pulley and the 4th pulley.
According to a fifth aspect of the invention, first pulley and second wheels arrangements be right adjutage from during downward position, position motion the tension force of cable constant substantially.
According to a fifth aspect of the invention, the 3rd pulley and the 4th wheels arrangements be left adjutage from during downward position, position motion the tension force of cable constant substantially.
According to a fifth aspect of the invention, the pivoting point of second pulley is near the pivoting point of first pulley, and the former position is lower than the latter.The pivoting point of the 4th pulley is near the pivoting point of the 3rd pulley, and the former position is lower than the latter.
According to a fifth aspect of the invention, when right adjutage is in primary importance, enter the near-end of right adjutage at first end in contact, first pulley of cable and at least one back first end in second pulley, and wherein second end of cable leaves the far-end of left adjutage.When left adjutage is in the second place, enter the near-end of left adjutage at second end in contact the 3rd pulley of cable and at least one back second end in the 4th pulley, and wherein second end of cable leaves the far-end of left adjutage.
According to a fifth aspect of the invention, resistance assembly comprises support frame and weight plates group cover, and wherein the motion of cable makes weight plates move.
Thereby leading block is set to pivot them when being on the angle that makes progress substantially at adjutage up and down, and cable contacts top sheave at least.When thereby they were on the downward substantially angle at the adjutage pivot, cable contacted lower sheave at least.In one embodiment of the invention, thereby pivot them when being in to lower angle substantially at adjutage, the cable contact is two pulleys up and down.
Up and down the structure of pulley guarantee no matter adjutage last or under the position, cable is with respect to the position suitable of each adjutage.The orientation of pulley make no matter the orientation of adjutage how, cable can freely move without restrictions.This orientation makes that also when adjutage moved up and down, the shortening of the part that the far-end from adjutage of cable stretches out and elongation were minimum.
Description of drawings
Fig. 1 is the side view of physical exercise device of the present invention;
Fig. 2 is the front view of the physical exercise device 2-2 along the line of Fig. 1, and wherein balance reorganization cover part is cut open;
Fig. 3 is the first distolateral cutaway view of the adjutage of Fig. 1 physical exercise device;
Fig. 4 is the perspective view of the pivot pulley assembly of Fig. 1 physical exercise device;
Fig. 5 A is the side view of another physical exercise device of the present invention, and the cable of contact top sheave is described;
Fig. 5 B is the side view of the physical exercise device of Fig. 5, adjutage is shown at complete down position, cable contact lower sheave;
Fig. 6 is the front view of the physical exercise device of Fig. 5, and wherein resistance assembly is partly cut open;
Fig. 7 is the sectional view (cable is not shown) of the physical exercise Unit Installation bracket assembly of Fig. 5; With
Fig. 8 is the sectional view of the installation bracket of Fig. 7, and each deviation distance (not shown cable) is shown.
The specific embodiment
Fig. 1-3 illustrates physical exercise device 10.Physical exercise device 10 comprises resistance assembly 24, and it has: (i) base 16; (ii) 24A is overlapped in the balance reorganization.Left and right sides adjutage 14 and 12 comprises that respectively pivot is couple to the near-end 60 and the free distal end 62 of resistance assembly 24, and corresponding first end and second end 46 and 48 that are connected to the cable 28 of resistance assembly stretch out from far-end 62.
Resistance assembly comprises understructure 16, and it has center user's support member 18, and center user's support member 18 has free first end 20 and balance weight group cover 24A second end 22 fixed thereon.Center user's support member 18 comprises platform 25, and its size, shape and structure are suitable for supporting the user who stands when the user handles physical exercise device 10.
Single cable 28 is connected to balance reorganization cover 24A to hand 30 with the user.In one embodiment, cable 28 is walked around a series of pulleys to provide 4: 1 duty ratio to each handle 30.Like this, can move the group cover of the weight plates 32 of four centals by the power (being total power of two centals when using two handles at the same time) that on each handle 30, applies a cental.
Compare with the movement velocity of handle 30, by reducing the movement velocity of weight plates 32,4: 1 ratio reduces the power of being used to of weight plates 32.Singlehanded motion makes that handle 30 can be with four times speed motion of weight plates 32, and bimanual movements makes that handle 30 can be with the speed motion of weight plates 32 twices.4: 1 ratio also makes the length of singlehanded motion equal four times of move distance of weight plates 32.The motion that this makes it possible to expand for example except weightlifting, can be jerked and bicipital bending, thereby is provided at greater flexibility in the resistance levels of selecting to wish to the user.
The pulley series that cable 46 moves through comprises first leading block 84 and second leading block 85 adjacent with the near-end of right adjutage 12.The near-end of corresponding leading block 84A and 85A and left adjutage 14 is adjacent.Leading block 84 and 84A are top sheaves, and leading block 85 and 85A are lower sheaves.
As shown in Figure 1, cable 28 contact pulleys 84 when arm 12 is positioned at primary importance.When arm 12 drops on the second place, cable 28 contact pulleys 85 and 84.
See Fig. 2, balance reorganization cover 24A comprises support frame 34, and it has aims at the vertical support member 36 that supports 32 groups of covers of weight plates.Weight plates 32 supports with existing mode and is used to move up and down.Promote weight plates 32 with pulley and cable 28.Balance reorganization cover 24A comprises the protective sleeve 38 around the group cover that is positioned at support frame 34 and weight plates 32.
Cable 28 affects balance reorganization cover 24A and controls the motion of weight plates 32.The core 40 of cable 28 passes through on the first center top sheave and the second center top sheave 42 and 44.
The end opposite 46 and 48 of cable 28 engages first movable pulley and second movable pulley 50 and 52 respectively to following extension then in balance reorganization cover 24A.Movable pulley 50 and 52 is connected in coupling 54, and the group that the latter is connected in weight plates 32 puts (selector rod and the insertable locking pin that for example use perforation).Like this, movable pulley 50 and 52 uply cause the up of coupling 54, finally overcome gravity and promote weight plates 32.
First end and second end 46 and 48 extend upward then, pass through on corresponding first end and the second outlet pulley 56 and 58 respectively.By outlet pulley 56 and 58 and leave the scope of balance reorganization cover 24A after, end 46 and 48 is extended leading block 84,84A and 85,85A about contact downwards, enters left and right sides adjutage 14 and 12 separately then.Though the preferred orientation of the various pulleys of the present invention's use is disclosed,, one of ordinary skill in the art will readily recognize that in the direction that does not depart from situation lower sheave of the present invention and can change.
Left and right sides adjutage 14 and 12 pivots and is couple to installation bracket 65 and 65a, and they are fixed to balance reorganization cover 24A.Each adjutage 12 and 14 is around the pivot rotation, and in one embodiment, left and right sides adjutage 14 and 12 aligns substantially.
In the embodiment shown in Fig. 1-3, left and right sides adjutage 14 and 12 is basic identical, describes with reference to right adjutage 12 below.See Fig. 1-3, right adjutage 12 comprises near-end 60 and far-end 62.The near-end 60 of right adjutage 12 pivots and is coupled to installation bracket 65, and the latter is fixed to first side 64 of balance reorganization cover 24A.The near-end 60 of left side adjutage 14 pivots and is coupled to installation bracket 65a, and the latter is fixed to the opposition side 66 of balance reorganization cover 24A.Left and right sides adjutage 14 and 12 pivots and to couple, and its mode is to make the user can select arm with respect to the direction of the hope of balance reorganization cover 24A and arm 12 and 14 lockings is on the throne.By comprising that on the near-end 60 of arm balance ballast 68 helps the motion of left and right sides adjutage 14 and 12.
Right adjutage 12 comprises lock hole 70 (Fig. 3).Lock hole 70 is adjacent with pivot hole 72, and pivot pin 74 passes pivot hole 72 right adjutage 12 is couple to balance reorganization cover 24A pivotally.Lock hole 70 is aimed at the serial flange hole 76 on the semicircle flange 78 that is formed on balance reorganization cover 24A.Semicircle flange 78 is basically parallel to the plane that right adjutage 12 pivots when right adjutage 12 moves with respect to balance reorganization cover 24A.
In fact, as is known to the person skilled in the art, lock hole 70 and flange hole 76 that stop pin 80 passes aligning overlap the angle direction that 24A is locked in hope so that adjutage 12 is recombinated with respect to balance.When the user wishes to change the angle direction of right adjutage 12, simply stop pin 80 is taken out, lock hole 70 is aimed at another flange hole 76 again, and stop pin 80 inserts again and puts in place, thereby locks right adjutage 12 with respect to balance reorganization cover 24A.
First leading block and second leading block 84 and 85 are fixed to the installation bracket 65 near near-end 60 places of right adjutage 12.Corresponding the 3rd leading block and the 4th leading block 84A and 85A are to operate with left adjutage 14 similar modes.
According to the position of adjutage 12, before cable 28 enters the tubular conduit that is arranged in right adjutage 12, at least one in first end, the 46 process leading blocks 84 and 85 of cable 28, and may be two.As Figure 1-3, if right adjutage 12 is positioned on the angle that level makes progress, then first end 46 of cable 28 is downward from the pulley 56 that is positioned at balance reorganization cover 24A top, around first leading block 84, enters the tubular conduit that is arranged in right adjutage 12.
On the other hand, if right adjutage 12 is positioned on the downward angle, then first end 46 of cable 28 is downward from the pulley 56 that is positioned at balance reorganization cover 24A top, around first leading block 84, around second leading block 85, enter the tubular conduit that is arranged in right adjutage 12 then.No matter the orientation of adjutage how, this orientation of first leading block and second leading block 84 and 85 (being orientated equally or similarly for left adjutage 14 leading block 84A and 85A) makes that cable 28 can be in tubular conduit free-running operation without restrictions.This orientation is also feasible, when at least one adjutage moves up and down, and the variation minimum of the length of cable 28 and tension force.Therefore, the tension force of cable does not change substantially when one or two adjutage 12 and 14 moves from top to bottom.
When first end 46 arrives the far-end 62 of right adjutage 12, on pivot pulley assembly 82, pass through, so that the user of apparatus of the present invention holds.Those skilled in the art are known, and the far-end of first end 46 of cable 28 can assemble various handles 30.
See Fig. 1 and 4, the far-end 62 of right adjutage 12 is assemblied in pivot pulley assembly 82, at cable 28 when right adjutage 12 comes out, first end 46 of pulley assembly 82 guiding cables 28.Fig. 4 illustrates the more detailed structure of pivot pulley assembly 82.Each pivot pulley assembly 82 comprises framework 86, and it has the centrally-pivoted axle 88 that rotatably supports pulley spare 90.Framework 86 is shaped to and makes and to cover pulley spare 90, thus prevent cable 28 on pulley spare 90 by the time, to undesirable contact of pulley spare 90.Framework 86 also is provided with the balance ballast 92 relative with pulley spare 90.
Framework 86 also comprises cylindrical coupling 94, the far-end 62 that its shape and size are suitable for pivoting and are installed to adjutage 12 and 14.Cylindrical coupling 94 provides an opening, when cable 28 passes this opening from adjutage 12 and 14 when pulley spare 90 extends.So, cable 28 passes through with respect to adjutage 12 and 14 axles around its pivot along pivot pulley assembly 82, attempts to provide big freedom of motion at all directions stay cord cable 28 for the user when taking exercise.
Because pivot pulley assembly 82 allows about the flexibility significantly from the angle of adjutage 12 and 14 stay cord cables 28, so, comprise that on the far-end of each adjutage 12 and 14 this pivot pulley assembly 82 obviously increases the flexibility of physical exercise device of the present invention.
Each end of first end and second end 46 and 48 is provided with retainer 96,98.As is known to the person skilled in the art, the motion of retainer 96,98 control wall scroll cables 28 makes it possible to by only drawing first end, 46, the second ends 48, or draws two ends to carry out physical exercise simultaneously.Leading block 84 and 85 orientate as no matter the position of arm how, retainer keeps contacting with pivot pulley assembly 82 substantially.Therefore, no matter arm 12 is in position up or down, and leading block 84 forms enough tension force on cable 28, prevent that the handle 30 that is couple to end 46,48 from too dangling from adjutage 12,14.
In use, after left and right sides adjutage 14,12 correctly was positioned at the direction of hope, the user stood on the central part 18, caught the handle 30 that is fixed to each end, and the lifting of wishing is taken exercise.
See Fig. 5-8, another embodiment of physical exercise device 110 of the present invention is shown.Physical exercise device 110 comprises a pair of adjutage 112 and 114, they be provided be convenient to wide region lifting take exercise.The adjutage 112 and 114 of physical exercise device 110 stretches out along different directions, makes that the user user can contact the cable end that is provided with in order to hold when opposite both direction fully outwards stretches its arm.
Physical exercise device 110 comprises resistance assembly 124, and it has (i) base 116; (ii) 124A is overlapped in the balance reorganization.Left and right sides adjutage 114 and 112 comprises that respectively pivot is couple to the near-end 160 and the far-end 162 of resistance assembly 124, and corresponding first end and second end 146,148 that are connected to the cable 128 of resistance assembly 124 stretch out from this far-end 162.
Wall scroll cable 128 is connected to balance reorganization cover 124A to hand 130 with the user.In one embodiment, cable 128 passes a series of pulleys, and 4: 1 duty ratio is provided for each handle.Like this, the power (being total power of two centals when using two handles simultaneously) that applies a cental on device each handle 130 of 110 can move the balance weight of four centals.
See Fig. 6, the balance reorganization cover 124A that is fixed to center support 118 comprises support frame 134, and it has the vertical support member 136 of aiming at the group cover that supports weight plates 132.Support weight plates 132 supports in a usual manner and is used to move up and down.Balance reorganization cover 124A covers by being positioned at its protective sleeve 138 on every side.
When the user was afterburning, cable 118 promoted the group cover of weight plates 132.128 cores 140 of cable pass through on the first center top sheave and the second center top sheave 142 and 144.
First end of cable 128 and second end 146,148 extend to following in balance reorganization cover 124A then, engage first movable pulley and second movable pulley 150,152 respectively.Movable pulley 150,152 is connected in coupling 154, and this coupling 154 couples the group cover (for example, using the selector rod and the insertable stop pin of perforation) of weight plates 132.Like this, movable pulley 150 and 152 move upward and cause moving upward of coupling 154, and finally overcome gravity and upwards promote weight plates 132.
First end and second end 146 and 148 extend upward then respectively on separately the first outlet pulley and the second outlet pulley 156,158 and pass through.Through outlet pulley 156,158 and after having gone out balance reorganization cover 124A, end 146 and 148 extends leading block 184 about they contacts downwards, 184A, and 185 and 185A, enter left and right sides adjutage 114,112 separately then, this will describe in detail below.Though the preferred orientation of the various pulleys of the present invention's use is disclosed,, one of ordinary skill in the art will readily recognize that in the direction that does not depart from situation lower sheave of the present invention and can change.
Left and right sides adjutage 114 and 112 pivots and is couple to installation bracket 165 and 165A, and the latter is fixed to the core of balance reorganization cover 124A.Around first and second rotation, first is provided with to such an extent that make left and right sides adjutage 114 and 112 be in the relative relation with second left and right sides adjutage 114 and 112 respectively.Left and right sides adjutage 114 and 112 stretches out from center support 118.Like this, when taking exercise, adjutage 112 and each end of 114 make things convenient for the user to use apparatus of the present invention 110 from the motion of balance reorganization cover.As is known to the person skilled in the art, the accurate orientation of arm is not crucial, can change within the scope of the present invention.
In the embodiment of Fig. 5-8, adjutage 112,114 is substantially the same, is illustrated with reference to right adjutage 112 below.Right adjutage 112 comprises near-end 160 and far-end 162.According to a preferred embodiment of the invention, the length of right adjutage 112 is from pivoting point 174 to the end 162 about 32 inches, but within the scope of the present invention, can change this length slightly.
Near the right adjutage 112 in the position near-end 160 of adjutage 112 pivots and is coupled to installation bracket 165, and the latter can be fixed to side or the front of balance reorganization cover 124A.Semicircular flange assembly 178 also is fixed on installation bracket 165.Semicircular flange assembly 178 comprises a pair of opposite flat board, and is installed as the plane that is positioned at right adjutage 112 rotations when right adjutage 112 moves with respect to balance reorganization cover 124A.The motion of right adjutage 112 is by 168 controls of the balance weight on the near-end 160 of right adjutage 112.
Pivot couples right adjutage 112 makes the user can select the desired orientation of adjutage 112, and adjutage 112 lockings are on the throne.Specifically, right adjutage 112 comprises lock hole 170, and it adjoins pivot hole 172, and pivot pin 174 passes pivot hole 172 right adjutage 112 pivots are couple to installation bracket 165, and finally is couple to balance reorganization cover 124A.Lock hole 170 is aimed at the serial flange hole 176 in the semicircle flange assembly 178 that is molded over installation bracket 165.
In fact, as is known to the person skilled in the art, stop pin 180 passes the lock hole 170 and the flange hole 176 of aligning, at the angle direction locking adjutage 112 of the hope of overlapping 124A with respect to the balance reorganization.When the user wishes to change the angle direction of right adjutage 112, simply stop pin 180 is taken out, lock hole 170 is aimed at another flange hole 176 again, and stop pin 180 inserted again and put in place this moment, and 124A locks right adjutage 112 with respect to balance reorganization cover.
First leading block and second leading block 184 and 185 are fixed to the installation bracket 165 near near-end 160 places of right adjutage 112.Corresponding the 3rd leading block and the 4th leading block 184A and 185A are in a similar fashion with respect to left adjutage 114 operations.Pulley 184 and 184A are top sheaves, and pulley 185 and 185A are lower sheaves.
According to the position of adjutage 112, cable 128 first ends 146 leading block 184 and 185 at least one by (may be on two) and enter the tubular conduit that is arranged in right adjutage 112 then.Shown in Fig. 5 A, if right adjutage 112 is positioned on the angle that level makes progress, then first end 146 of cable 128 is downward from the pulley 156 on the top of balance reorganization cover 124A, around first leading block 184, and enters the tubular conduit that is arranged in right adjutage 112.Shown in Fig. 5 B, if right adjutage 112 is positioned on the enough downward angle, then first end 146 of cable 128 is downward from the pulley 156 on the top of balance reorganization cover 124A, around two leading blocks 184 and 185, and enters the tubular conduit that is arranged in right adjutage 112.No matter the orientation of adjutage how, this orientation of first leading block and second leading block 184 and 185 can make cable 128 free-running operation without restrictions in tubular conduit, and prevents the significant change of tension force when adjutage 112 moves up or down.
The far-end 162 of right adjutage 112 is assemblied in pivot pulley assembly 182, in order to guide first end 146 of cable 128 when right adjutage 112 comes out at cable 128.Pivot pulley assembly 182 is with above-mentioned shown in Figure 4 identical or basic identical.Because pivot pulley assembly 182 allows the flexibility significantly of the angle that relevant cable 128 pulls out from right adjutage 112, so this pivot pulley assembly 182 on the far-end of each adjutage 112 and 114 obviously increases the flexibility of physical exercise device of the present invention.
Each end of first end and second end 146 and 148 is provided with retainer 196 and 198.As is known to the person skilled in the art, the motion of retainer 196,198 control wall scroll cables makes it possible to by only drawing first end, 146, the second ends 148, or draws two ends to carry out physical exercise simultaneously.In use, after two adjutages correctly were positioned at the orientation of hope, the user stood in balance reorganization cover front, holds the handle that is fixed to each end, and the lifting of wishing is taken exercise.
See Fig. 8, the following describes an embodiment of pulley up and down of the present invention.Pulley 84 shown in Fig. 1-4,84A and/or 85,85A can have and similar or identical size and the relation of pulley that illustrates with regard to Fig. 8 now.In addition, pulley 184A also can have and similar or identical size and the relation of pulley that illustrates with regard to Fig. 8 now with 185A.
Pulley 184 and 185 has rotating shaft up and down, its rotating shaft parallel offset basic and adjutage 112.The rotating shaft of the rotating shaft of top sheave 184 and adjutage 112 departs from D2 at proximal direction deviation distance D1 at vertical direction.The rotating shaft of the rotating shaft of lower sheave 185 and adjutage 112 departs from D3 at proximal direction deviation distance D4 at vertical direction.Shown in Fig. 8 and 5B, by lower sheave 185 is closely directed with respect to top sheave 184, when adjutage 112 is in upper/lower positions, provide the space of cable, make cable be convenient to move along the distal portions of lower sheave 185.
In a preferred embodiment, distance D 1 is about 3/8 inch, and distance D 2 is about 1 3/ 4Inch, distance D 3 is about 1 11/ 16Inch, distance D 4 is about 1 3/ 16Inch.In one embodiment, for make pulley 184 and 185 and the axis of adjutage 112 between concern the best, except above-mentioned distance, pulley 184 and 185 has about 3 inches (for example 2 15/ 16Inch) root diameter (inner-diameter portion whose of cable actual contact), and cable has about 3/16 inch diameter.But these distances do not limit the scope of the invention, and make the embodiment in the length of cable and the variation minimum in the tension force in adjutage 112 and 114 whens motion and provide.
The present invention can implement in other specific ways and not depart from essence of the present invention or substantive characteristics.The above embodiments only are explanation rather than restriction the present invention.Scope of the present invention is defined by the claims, rather than the foregoing description.All changes in claim all are included in the scope of the present invention.

Claims (28)

1. physical exercise device comprises:
Resistance assembly;
Cable, it is connected to resistance assembly with left adjutage and right adjutage,
Wherein said cable comprises first end and second end;
Wherein right adjutage comprises that pivot is couple to the near-end of resistance assembly, with first end of cable from its free distal end of stretching out, right adjutage has first rotating shaft, described physical exercise device also comprises first right pulley and second right pulley with the adjacent installation of near-end of right adjutage, and wherein first right pulley leaves the second right pulley fixed range and installs; And
Wherein left adjutage comprises that pivot is couple to the near-end of resistance assembly, with second end of cable from its free distal end of stretching out, left side adjutage has second rotating shaft, described physical exercise device also comprises first left chain wheel and second left chain wheel with the adjacent installation of near-end of left adjutage, and wherein first left chain wheel leaves the second left chain wheel fixed range and installs.
2. according to the physical exercise device of claim 1, it is characterized in that: each first right pulley, first left chain wheel, second right pulley and second left chain wheel are installed on the resistance assembly, each first right pulley and second right pulley have the substantially parallel rotating shaft that departs from first rotating shaft, and each first left chain wheel and second left chain wheel have the substantially parallel rotating shaft that departs from second rotating shaft.
3. according to the physical exercise device of claim 1, it is characterized in that: first right pulley is installed on the resistance assembly, and second right pulley is installed in resistance assembly than the first right pulley lowland.
4. according to the physical exercise device of claim 1, it is characterized in that: first left chain wheel is installed on the resistance assembly, and second left chain wheel is installed in resistance assembly than the first left chain wheel lowland.
5. according to the physical exercise device of claim 3, it is characterized in that: first end of cable contacts one of first right pulley and second right pulley at least, enter the near-end of right adjutage then, and come out from the far-end of right adjutage, second end of cable contacts one of first left chain wheel and second left chain wheel at least, enter the near-end of left adjutage then, and come out from the far-end of left adjutage.
6. physical exercise device comprises:
Resistance assembly;
Cable, it has first end and second end;
Right adjutage, it has first end of the pivot near-end that is couple to resistance assembly and cable from its free distal end of stretching out, and right adjutage has first rotating shaft;
Left side adjutage, it has second end of the pivot near-end be couple to resistance assembly and cable from its free distal end of stretching out, and left adjutage has second rotating shaft, and wherein cable overcomes resistance that resistance assembly forms by a left side and right adjutage;
First pulley and second pulley, they be set in first pulley and second pulley at least one optionally first end of cable is directed in the right adjutage; And
The 3rd pulley and the 4th pulley, they be set in the 3rd pulley and the 4th pulley at least one optionally second end of cable is directed in the left adjutage.
7. according to the physical exercise device of claim 6, it is characterized in that: first end of cable enters the opening of the near-end of first adjutage, come out from the distal openings of first adjutage, second end of cable enters the proximal openings of second adjutage, come out from the distal openings of second adjutage, and wherein first pulley and second pulley have the rotating shaft with the rotating shaft parallel offset of right adjutage, and the 3rd pulley and the 4th pulley have the rotating shaft with the rotating shaft parallel offset of left adjutage.
8. according to the physical exercise device of claim 7, it is characterized in that: first pulley is installed on the resistance assembly with right adjutage adjacent, and second pulley is installed on the resistance assembly lower than first pulley.
9. according to the physical exercise device of claim 7, it is characterized in that: the 3rd pulley is installed on the resistance assembly with left adjutage adjacent, and the 4th pulley is installed on the resistance assembly lower than the 3rd pulley.
10. according to the physical exercise device of claim 6, it is characterized in that: resistance assembly comprises support frame and weight plates group cover, wherein cable is configured to be coupled to pulley system, described pulley system comprises the pulley that is couple to weight plates group cover, and wherein cable overcome weight plates resistance by left and right sides adjutage, thereby cable is connected to resistance assembly with left and right sides adjutage.
11. a physical exercise device comprises:
Resistance assembly;
Cable, it has first end and second end;
Right adjutage, it has first end of the pivot near-end that is couple to resistance assembly and cable from its free distal end of stretching out, and right adjutage has first rotating shaft;
Left side adjutage, it has second end of the pivot near-end be couple to resistance assembly and cable from its free distal end of stretching out, and left adjutage has second rotating shaft, and wherein cable extends through left and right sides adjutage, and overcomes the resistance exercise that resistance assembly forms;
First pulley and second pulley, they and the adjacent installation of right adjutage near-end, each pulley has the rotating shaft that is parallel to right adjutage first rotating shaft, and first end optionally contacts at least one in first pulley and second pulley and extends through right adjutage; With
The 3rd pulley and the 4th pulley, they and the adjacent installation of left adjutage near-end, each pulley has the rotating shaft of second rotating shaft that is parallel to left adjutage, and second end optionally contacts at least one in the 3rd pulley and the 4th pulley and extends through left adjutage.
12. physical exercise device according to claim 11, it is characterized in that: resistance assembly comprises support frame and weight plates group cover, and wherein cable is engaged in the pulley system that comprises the pulley that is couple to weight plates group cover, and wherein cable overcomes the resistance of weight plates formation by left and right sides adjutage.
13. the physical exercise device according to claim 11 is characterized in that: first pulley is installed on the resistance assembly with right adjutage adjacent, and second pulley is installed on the resistance assembly than the first pulley lowland.
14. the physical exercise device according to claim 11 is characterized in that: the 3rd pulley is installed on the resistance assembly with left adjutage adjacent, and the 4th pulley is installed on the resistance assembly than the 3rd pulley lowland.
15. a physical exercise device comprises:
Resistance assembly;
Cable, it has first end and second end;
Right adjutage, it has first end of the pivot near-end that is couple to resistance assembly and cable from its free distal end of stretching out, and right adjutage has first rotating shaft;
Left side adjutage, it has second end of the pivot near-end be couple to resistance assembly and cable from its free distal end of stretching out, and left adjutage has second rotating shaft, and wherein cable overcomes resistance that resistance assembly forms by left and right sides adjutage;
Upper right pulley and bottom right pulley, at least one optionally was incorporated into first end of cable in first opening of right adjutage in the pulley about they were set to, and first end comes out from second opening of right adjutage; With
Upper left pulley and lower-left pulley, at least one optionally was incorporated into second end of cable in first opening of left adjutage in the pulley about they were set to, and second end comes out from second opening of left adjutage.
16. the physical exercise device according to claim 15 is characterized in that: upper right pulley and bottom right pulley be configured to right adjutage from during downward position, position motion the tension force of cable constant substantially.
17. the physical exercise device according to claim 15 is characterized in that: upper left pulley and lower-left pulley be configured to left adjutage from during downward position, position motion the tension force of cable constant substantially.
18. physical exercise device according to claim 15, it is characterized in that: right adjutage pivots between upper-lower position, and wherein when right adjutage is in the position of lifting, first end of cable passes through around top sheave before entering first opening of right adjutage, and when right adjutage was in upper/lower positions, first end of cable contacted pulley up and down before entering first opening of right adjutage.
19. physical exercise device according to claim 15, it is characterized in that: left adjutage pivots between upper-lower position, and wherein when left adjutage is in the position, second end of cable passes through around top sheave before entering first opening of left adjutage, and when left adjutage was in upper/lower positions, second end of cable contacted pulley up and down before entering first opening of left adjutage.
20. the physical exercise device according to claim 15 is characterized in that: the rotating shaft of upper right pulley deviates from the rotating shaft of bottom right pulley, and departs from proximal direction.
21. a physical exercise device comprises:
Resistance assembly;
Cable, it extends through resistance assembly, has first end and second end;
Right adjutage, it has the near-end that pivot is connected to resistance assembly, with first end of cable from its free distal end of stretching out, the physical exercise device also comprises first pulley and second pulley, the adjacent installation of near-end of they and right adjutage makes that cable contacts first pulley when right adjutage moves to the position, and when right adjutage moved to upper/lower positions, cable optionally contacted first pulley and second pulley; With
Left side adjutage, it has the near-end that pivot is connected to resistance assembly, with second end of cable from its free distal end of stretching out, the physical exercise device also comprises the 3rd pulley and the 4th pulley, the adjacent installation of near-end of they and left adjutage makes that cable contacts the 3rd pulley when left adjutage moves to the position, and when left adjutage moved to upper/lower positions, cable optionally contacted the 3rd pulley and the 4th pulley.
22. the physical exercise device according to claim 21 is characterized in that: first pulley and second wheels arrangements for right adjutage from during downward position, position motion the tension force of cable constant substantially.
23. the physical exercise device according to claim 21 is characterized in that: the 3rd pulley and the 4th wheels arrangements for left adjutage from during downward position, position motion the tension force of cable constant substantially.
24. the physical exercise device according to claim 21 is characterized in that: the pivoting point of second pulley is near the pivoting point of first pulley, and the former position is lower than the latter.
25. the physical exercise device according to claim 21 is characterized in that: the pivoting point of the 4th pulley is near the pivoting point of the 3rd pulley, and the former position is lower than the latter.
26. physical exercise device according to claim 21, it is characterized in that: when right adjutage is in primary importance, enter the near-end of right adjutage at first end in contact, first pulley of cable and at least one back first end in second pulley, and wherein second end of cable leaves the far-end of left adjutage.
27. physical exercise device according to claim 21, it is characterized in that: when left adjutage is in the second place, enter the near-end of left adjutage at second end in contact the 3rd pulley of cable and at least one back second end in the 4th pulley, and wherein second end of cable leaves the far-end of left adjutage.
28. the physical exercise device according to claim 21 is characterized in that: resistance assembly comprises support frame and weight plates group cover, and wherein the motion of cable makes weight plates move.
CNB031234704A 2003-02-05 2003-05-14 Cable crossover exercise appts. Expired - Lifetime CN100337705C (en)

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US10/358,993 2003-02-05
US10/358,993 US7169093B2 (en) 1999-09-14 2003-02-05 Cable crossover exercise apparatus

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CN100337705C true CN100337705C (en) 2007-09-19

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US7169093B2 (en) 2007-01-30
US20070167299A1 (en) 2007-07-19
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